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Business, Science

Is Google (Facebook;Twitter) the World’s Best Economist?

I have been wondering for a while why Economists haven’t made better use of Google keyword search analytics as an economic tool after hearing how Google can predict flu outbreaks with surprising accuracy:


While Google flu trends is a coarse indicator, I wondered if other Google search terms could be more accurate short-term predictors of patterns. Then I recently came across this article:


Which got me thinking about a conversation I had with a nephew-in-law, a Cambridge-trained Economist who works for Google in London. He mentioned in August that Google examines certain search terms that are diagnostic for a country’s economic performance all the time (in order to target marketing campaigns, for example) and that their prediction algorithms were forecasting Germany’s economy going in to recession. Two weeks later a Financial Times article stated that the latest economic indicators confirmed that Germany’s economy had shrunk for the past two quarters, the official definition of a recession.

Then I heard this recent article about Facebook “likes” being accurate predictors of a company’s stock price:


How useful is “Sentiment Analysis” to the prediction and analysis of economic trends, theories and predictions? Some interesting academic publications suggest a rich future for this technology:


Click to access A.Logunov%20-%20A%20Tweet%20In%20Time%20-%20Can%20Twitter%20Sentiment%20Analysis%20Improve%20Economic%20Indicator%20Estimation.pdf

Twitter has the capacity to provide real-time sentiment analysis, a fact not lost on consumer brands that rely on customer feedback to engage customers in a variety of ways:


Academic and commercial research into Twitter also suggests how real-time aggregate feeds can lead to better predictions of economic trends:



Is this the future of hedge-funds and options trading? Apparently a number of hedge funds think so:

Click to access TrusheimChakoumakosYendluri-Automated_Market_Sentiment_analysis_of_Twitter_for_Options_Trading.pdf



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